curl / Docs / Vulnerability table / 7.40.0 vulnerabilities

Vulnerabilities in curl 7.40.0

curl version 7.40.0 was released on January 8 2015. The following 63 security problems are known to exist in this version.

Flaw	From version	To and including	CVE	CWE
STARTTLS protocol injection via MITM	7.20.0	7.78.0	CVE-2021-22947	CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data
Protocol downgrade required TLS bypassed	7.20.0	7.78.0	CVE-2021-22946	CWE-325: Missing Cryptographic Step
CURLOPT_SSLCERT mixup with Secure Transport	7.33.0	7.77.0	CVE-2021-22926	CWE-295: Improper Certificate Validation
TELNET stack contents disclosure again	7.7	7.77.0	CVE-2021-22925	CWE-457: Use of Uninitialized Variable
Bad connection reuse due to flawed path name checks	7.10.4	7.77.0	CVE-2021-22924	CWE-295: Improper Certificate Validation
Metalink download sends credentials	7.27.0	7.77.0	CVE-2021-22923	CWE-522: Insufficiently Protected Credentials
Wrong content via metalink not discarded	7.27.0	7.77.0	CVE-2021-22922	CWE-20: Improper Input Validation
TELNET stack contents disclosure	7.7	7.76.1	CVE-2021-22898	CWE-457: Use of Uninitialized Variable
Automatic referer leaks credentials	7.1.1	7.75.0	CVE-2021-22876	CWE-359: Exposure of Private Personal Information to an Unauthorized Actor
FTP wildcard stack overflow	7.21.0	7.73.0	CVE-2020-8285	CWE-674: Uncontrolled Recursion
trusting FTP PASV responses	4.0	7.73.0	CVE-2020-8284	CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
wrong connect-only connection	7.29.0	7.71.1	CVE-2020-8231	CWE-825: Expired Pointer Dereference
curl overwrite local file with -J	7.20.0	7.70.0	CVE-2020-8177	CWE-641: Improper Restriction of Names for Files and Other Resources
TFTP small blocksize heap buffer overflow	7.19.4	7.65.3	CVE-2019-5482	CWE-122: Heap-based Buffer Overflow
TFTP receive buffer overflow	7.19.4	7.64.1	CVE-2019-5436	CWE-122: Heap-based Buffer Overflow
NTLM type-2 out-of-bounds buffer read	7.36.0	7.63.0	CVE-2018-16890	CWE-125: Out-of-bounds Read
NTLMv2 type-3 header stack buffer overflow	7.36.0	7.63.0	CVE-2019-3822	CWE-121: Stack-based Buffer Overflow
SMTP end-of-response out-of-bounds read	7.34.0	7.63.0	CVE-2019-3823	CWE-125: Out-of-bounds Read
warning message out-of-buffer read	7.14.1	7.61.1	CVE-2018-16842	CWE-125: Out-of-bounds Read
SASL password overflow via integer overflow	7.33.0	7.61.1	CVE-2018-16839	CWE-131: Incorrect Calculation of Buffer Size
NTLM password overflow via integer overflow	7.15.4	7.61.0	CVE-2018-14618	CWE-131: Incorrect Calculation of Buffer Size
RTSP bad headers buffer over-read	7.20.0	7.59.0	CVE-2018-1000301	CWE-126: Buffer Over-read
RTSP RTP buffer over-read	7.20.0	7.58.0	CVE-2018-1000122	CWE-126: Buffer Over-read
LDAP NULL pointer dereference	7.21.0	7.58.0	CVE-2018-1000121	CWE-476: NULL Pointer Dereference
FTP path trickery leads to NIL byte out of bounds write	7.12.3	7.58.0	CVE-2018-1000120	CWE-122: Heap-based Buffer Overflow
HTTP authentication leak in redirects	6.0	7.57.0	CVE-2018-1000007	CWE-522: Insufficiently Protected Credentials
FTP wildcard out of bounds read	7.21.0	7.56.1	CVE-2017-8817	CWE-126: Buffer Over-read
NTLM buffer overflow via integer overflow	7.36.0	7.56.1	CVE-2017-8816	CWE-131: Incorrect Calculation of Buffer Size
IMAP FETCH response out of bounds read	7.20.0	7.56.0	CVE-2017-1000257	CWE-126: Buffer Over-read
FTP PWD response parser out of bounds read	7.7	7.55.1	CVE-2017-1000254	CWE-126: Buffer Over-read
URL globbing out of bounds read	7.34.0	7.54.1	CVE-2017-1000101	CWE-126: Buffer Over-read
TFTP sends more than buffer size	7.15.0	7.54.1	CVE-2017-1000100	CWE-126: Buffer Over-read
--write-out out of buffer read	6.5	7.53.1	CVE-2017-7407	CWE-126: Buffer Over-read
printf floating point buffer overflow	7.1	7.51.0	CVE-2016-9586	CWE-121: Stack-based Buffer Overflow
Win CE schannel cert wildcard matches too much	7.30.0	7.51.0	CVE-2016-9952	CWE-295: Improper Certificate Validation
Win CE schannel cert name out of buffer read	7.30.0	7.51.0	CVE-2016-9953	CWE-126: Buffer Over-read
cookie injection for other servers	7.1	7.50.3	CVE-2016-8615	CWE-187: Partial Comparison
case insensitive password comparison	7.7	7.50.3	CVE-2016-8616	CWE-178: Improper Handling of Case Sensitivity
OOB write via unchecked multiplication	7.1	7.50.3	CVE-2016-8617	CWE-131: Incorrect Calculation of Buffer Size
double-free in curl_maprintf	7.1	7.50.3	CVE-2016-8618	CWE-415: Double Free
double-free in krb5 code	7.3	7.50.3	CVE-2016-8619	CWE-415: Double Free
glob parser write/read out of bounds	7.34.0	7.50.3	CVE-2016-8620	CWE-122: Heap-based Buffer Overflow
curl_getdate read out of bounds	7.12.2	7.50.3	CVE-2016-8621	CWE-126: Buffer Over-read
URL unescape heap overflow via integer truncation	7.24.0	7.50.3	CVE-2016-8622	CWE-122: Heap-based Buffer Overflow
Use-after-free via shared cookies	7.10.7	7.50.3	CVE-2016-8623	CWE-416: Use After Free
invalid URL parsing with '#'	7.1	7.50.3	CVE-2016-8624	CWE-172: Encoding Error
IDNA 2003 makes curl use wrong host	7.12.0	7.50.3	CVE-2016-8625	CWE-838: Inappropriate Encoding for Output Context
curl escape and unescape integer overflows	7.11.1	7.50.2	CVE-2016-7167	CWE-131: Incorrect Calculation of Buffer Size
Incorrect reuse of client certificates	7.19.6	7.50.1	CVE-2016-7141	CWE-305: Authentication Bypass by Primary Weakness
TLS session resumption client cert bypass	7.1	7.50.0	CVE-2016-5419	CWE-305: Authentication Bypass by Primary Weakness
Re-using connections with wrong client cert	7.1	7.50.0	CVE-2016-5420	CWE-305: Authentication Bypass by Primary Weakness
use of connection struct after free	7.32.0	7.50.0	CVE-2016-5421	CWE-416: Use After Free
Windows DLL hijacking	7.11.1	7.49.0	CVE-2016-4802	CWE-94: Improper Control of Generation of Code ('Code Injection')
TLS certificate check bypass with mbedTLS/PolarSSL	7.21.0	7.48.0	CVE-2016-3739	CWE-297: Improper Validation of Certificate with Host Mismatch
remote file name path traversal in curl tool for Windows	7.20.0	7.46.0	CVE-2016-0754	CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
NTLM credentials not-checked for proxy connection re-use	7.10.7	7.46.0	CVE-2016-0755	CWE-305: Authentication Bypass by Primary Weakness
SMB send off unrelated memory contents	7.40.0	7.42.1	CVE-2015-3237	CWE-126: Buffer Over-read
lingering HTTP credentials in connection re-use	7.40.0	7.42.1	CVE-2015-3236	CWE-305: Authentication Bypass by Primary Weakness
sensitive HTTP server headers also sent to proxies	7.1	7.42.0	CVE-2015-3153	CWE-201: Information Exposure Through Sent Data
host name out of boundary memory access	7.37.0	7.41.0	CVE-2015-3144	CWE-124: Buffer Underwrite ('Buffer Underflow')
cookie parser out of boundary memory access	7.31.0	7.41.0	CVE-2015-3145	CWE-124: Buffer Underwrite ('Buffer Underflow')
Negotiate not treated as connection-oriented	7.10.6	7.41.0	CVE-2015-3148	CWE-305: Authentication Bypass by Primary Weakness
Re-using authenticated connection when unauthenticated	7.10.6	7.41.0	CVE-2015-3143	CWE-305: Authentication Bypass by Primary Weakness

Changelog for curl 7.40.0

See vulnerability summary for the previous release: 7.39.0 or the subsequent release: 7.41.0